<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>ActionFilter</title>
</head>
<body>
    <h2>{data}</h2>
    <p>
        <a href="/?lang=en">切换英文</a>
        &nbsp;
        <a href="/?lang=cn">切换中文</a>
    </p>
</body>
</html>
